About: http://webisa.webdatacommons.org/212912933

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A major advantage of the Z-score system is that a group of Z-scores can be subjected to summary statistics such as the mean and standard deviation.
http://www.w3.org/ns/prov#wasQuotedFrom	who.int